#3877C3#3877C3

#3877C3 is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.5% C 0.135 H 254.7°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3877C3
RGB	rgb(56, 119, 195)
HSL	hsl(213, 55%, 49%)
HSV	hsv(213, 71%, 76%)
CMYK	cmyk(71.3%, 39%, 0%, 23.5%)
CIE-LAB	lab(49.46, 5.36, -45.58)
CIE-LCH	lch(49.46, 45.89, 276.71°)
OKLab	oklab(56.54% -0.0355 -0.1299)
OKLCH	oklch(56.54% 0.135 254.7)
XYZ	xyz(18.0744, 17.9726, 54.1357)
Luminance	0.1797 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3877C3 #C38438

analogous

#38BDC3 #3877C3 #3F38C3

triadic

#3877C3 #C33877 #77C338

tetradic

#3877C3 #C338BD #C38438 #38C33F

square

#3877C3 #C338BD #C38438 #38C33F

split-complementary

#3877C3 #C33F38 #BDC338

monochromatic

#1D3D64 #2A5A93 #3877C3 #6597D3 #95B7E1

Accessibility & contrast

On white

4.57

#3877C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#3877C3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3877C3

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3877C3	#FFFFFF	#000000	##000000
##3877C3	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#547DC6

Deuteranopia (green-blind)

#3E70C1

Tritanopia (blue-blind)

#008993

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3877c3;
/* rgb */ color: rgb(56, 119, 195);
/* oklch */ color: oklch(56.5% 0.135 254.7);

Tailwind

colors: {
  custom: {
    50: '#7f9dd5',
    500: '#3877c3',
    950: '#000000',
  },
}

SCSS

$custom: #3877c3;
$custom-light: #7f9dd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3877c3",
  "rgb": {
    "r": 56,
    "g": 119,
    "b": 195
  },
  "hsl": {
    "h": 212.806,
    "s": 55.378,
    "l": 49.216
  },
  "oklch": {
    "l": 0.56542,
    "c": 0.13465,
    "h": 254.7
  },
  "luminance": 0.17975
}

Semantic roles & 50–950 ramp

primary

#3877C3

secondary

#CCAE8B

accent

#9B49DF

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3877C3

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →